Viz didn’t release anything in Australia. Though they handled the new dub, Toei owns the rights to it from what I understand. Madman licensed the series from Toei with the new dub, since it’s the only one being offered. If a company in the UK decides to license the series, that’s also the dub they will most likely end up getting from Toei.
Though a UK release doesn’t sound too likely. The last time Sailor Moon was licensed there, it was a HUGE flop. HUGE. So I doubt it’s gonna happen anytime soon.
From what I gathered, it actually did decent as a brand in Brazil, but there was an issue with Toei or Naoko asking for ridiculous amounts to license it.. hence why the DVD release flopped.
The U.K. release was a pretty unfortunate situation. It never got a good amount of screen time, by the time the DiC dub started airing on tv, it was already in the early 2000s, right before the Toei license ban of 2004. I don’t think they ever aired any of S or SuperS, and the only dvds releases were the DiC dub which weren’t promoted and then almost put MVM (who licensed it) out of business.
Furthermore, I don’t remember ever seeing any merchandise on UK store shelves. There was no deal for any toys (whereas the US had toys from Bandai America and then Irwin). There was no manga release either, and no mainstream bookstore was going to import the US Tokyopop release (which was about to go out of print) for a show that had no exposure.
Then by 2004, just a year or so into this, Toei put the Sailor Moon license on hiatus. So there was really no way for the brand to succeed in the UK at the time.
Nowadays, it’s become such an expensive and picky license that no U.K. distributor would dare to take it on. It makes sense to pay that much for a region where the show was previously successful or that has a big anime community, but it just doesn’t for the U.K.